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DIN seamless pipe

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Place of Origin: China

Brand name: SunnySteel

Payment Terms: D/P,L/C,T/T

Production method: Negotiable

Shipping / Lead Time: Negotiable / Negotiable

Keyword: din seamless pipe, din 2391-1, din 2440, din 17175

Category: Pipe Fittings , Steel Pipes

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China Alloy pipe Manufactory Ltd.

Membership: BIZ

Country / Year Established: China / 2000

Business type: Manufacturer

Verified Certificate: 13

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PRODUCT DESCRIPTION COMPANY INFORMATION Related Products

Product name	DIN seamless pipe	Certification	-
Category	Pipe Fittings Steel Pipes	Ingredients	-
Keyword	din seamless pipe , din 2391-1 , din 2440 , din 17175	Unit Size	-
Brand name	SunnySteel	Unit Weigh	-
origin	China	Stock	-
Supply type	-	HS code	7304

Product Information

DIN/EN seamless pipes are extensively applied in petroleum, chemical, power, boiler, and machinery industries. Our prefect products and preferential price have won us customers’ trust and consistently favorable comments.
Our products for DIN/EN Standard has been listed as follows:

EN 10305
EN 10297
DIN2391 Precision Tube
EN 10210
DIN17175 St35.8
DIN1629 ST52-3

DIN 1630
Steel Grade: St37.4, St44.4, St52.4
Application: Seamless Circular Tubes of Non. Alloy Steels With Very High Quality Requirements
Dimension Range: 10.2-660 mm

DIN 2391-1
Steel Grade: St35, St45, St52
Application: Seamless Precision Steel Tubes
Dimension Range: 4-260 mm

DIN 2440
Steel Grade: St33.2
Application: Steel Tubes Medium Weight Suitable for Screwing
Dimension Range: 10.2-165.1 mm

DIN 2441
Steel Grade:St33.2
Application: Steel Tubes Heavy Weight for Suitable for Screwing
Dimension Range: 10.2-165.1 mm

DIN 2445-1
Steel Grade: St 52.4
Application: Seamless Steel Tubes Subjected to Dynamic Loading-1 Hot Finished Tubes for Use in Fluid Power Systems, Rated for Pressures from 100 bar to 500 bar
Dimension Range: 21.3-355.6 mm

DIN 2445.2
Steel Grade: St 37.4
Application: Seamless Steel Tubes Subjected to Dynamic Loading-2 Precision, Tubes for Use in Fluid Power Systems, Rated for Pressures from 100 bar to 500 bar
Dimension Range: 4.50 mm

DIN 2460
Steel Grade: St35
Application: Steel Pipes for Water Pipelines
Dimension Range: DN80-500

DIN 17175
Steel Grade: St35.8, S05.8,17Mn4,19Mn5, 15Mo3, 13CrMo910, 1OCrMo910, 14MoV63, X20CrMoV12l
Application: Seamless Circular Tubes Made From Steels with Elevated Temperatures
Dimension Range: 10.2-660 mm

Dimension tolerance

Standard	Tolerance
	Out side Diameter				Wall Thickness		Length
	mm
DIN 1630	See Table 1				See Table 2		See Table 3
DIN 2391	See Table 4				10%		See Table 5
DIN 2440	See Table 6				-12.5%, + A		±1m
DIN 2441	See Table 2				-12.5%, + A		±1m
DIN 17172	SeeTable 7				≤130	10%	Fixed Length	±500
DIN 17172	SeeTable 7				<130	12.5%	Fixed Length	±500
DIN 17173	See Table 1				See Table 2		See Table 3
DIN 17175	See Table 1				See Table 2		See Table 3
DIN 17176	See Table 8				See Table 2		See Table 3
DIN 17179	See Table 1				See Table 2		See Table 3
DIN 28180	Outside Diameter	Class 1	Class 2	Class 3	See Table 9		≤5000	-0,+5
	16-30	±0.08	Not Applicable	±0.50			<5000 -10000	-0,+10
	38	±0.15	Not Applicable	±0.50			<10000	By agreement
A: The upper Limit is fixed by the permissible weight deviation.

Table 1: Permissible Deviation in Outside Diameter in DIN 1630, 17173, 17175, 17179

Outside Diameter – da mm	Pertilisable Deviation in Diameter
Outside Diameter – da mm	Tube Barrel and Tube Ends	At Tube ends, Subject to Particular agreement
<100 td>	±1% da; (values up to ±0.5mm are permitted)	±0.4mm
100≤da<200 td>	±1% da	±0.5% da.
≥200	±1% da	±0.6% da

Table 2: Permissible Deviation in Wall Thickness in DIN 1630, 17173, 17175, 17176, 17179

Permissible Deviation in Wall Thickness for Outside Diameter, da. and Wall Thicknesses, s
da ≤130mm			130mm			320mm
s ≤2	2	s<4	s≤0.05da	0.05da ~~≤.11da~~	s<0.11da.	s≤0.05da	0.05da ~~≤0.09da~~	s<0.09da
+5% -10%	+12.5 %10	±9%	+17.5% -12.5%	±12.5%	±10	+20% -15%	+15% -12.5%	+12.5% -10%

Table 3: Types of Length and Permissible Deviation in Length in DIN 1630, 17173, 17175, 17176, 17179

Type of Length		Premissuble Deviations in Length,mm
Manfacturing Length		By agreement
Specified Length		±500
Exact Length	≤6m	-0,+10
	<6-12mm	-0,+15
	<12m	By agreement

Table 4: Permissible Deviation in Outside Diameter in DIN 2391

Outside Diameter	Permissible Deviation	Outside Diameter	Permissible Deviation	Outside Diameter	Permissible Deviation
4-10mm	±0.08mm	75-81mm	±0.35mm	170-180mm	±0.90mm
12-30mm	±0.1mm	85-90mm	±0.40mm	190-200mm	±1.0mm
32-40mm	±0.15mm	95-100mm	±0.45mm	220-240mm	±1.20mm
42-50mm	±0.20mm	110-12mm	±0.50mm	260mm	±1.30mm
55-60mm	±0.25mm	130-146m	±0.70mm
65-70mm	±0.30mm	150-160m	±0.80mm

Table 5: Types of Length and Permissible Deviation in Length in 2391

Type of Length		Premissuble Deviations in Length,mm
Manfacturing Length		By agreement
Fixed Length		<2000 td>	±500
Fixed Length		≥2000	10%
Exact Length	<500mm td>	-0,+2
	<500-2000mm	-0,+3
	<2000-5000	-0,+5
	<5000-7000	-0,+10
	<7000	By agreement

Table 6: Permissible Deviation in Outside Diameter in DIN 2440, 2441

Outside Diameter (mm)	Max (mm)	Min (mm)	Outside Diameter (mm)	Max (mm)	Min (mm)
10.2	10.6	9.8	48.3	48.8	47.9
13.5	14.0	13.2	60.3	60.8	59.7
17.2	17.5	16.2	76.1	70.6	75.3
21.3	21.8	21.0	88.9	89.6	88.0
26.9	27.3	26.5	114.3	115.0	113.1
33.7	34.2	33.3	139.7	140.0	138.5
42.4	42.9	42.0	165.1	166.5	163.9

Table 7: Permissible Deviation in Outside Diameter in DIN 17172

Nominal Outside Diameter-”D” (mm)	Pipe Body	Pipe End
Nominal Outside Diameter-”D” (mm)	Max.Permissible Diameter Variation
D<200 td>	±1%(Values up to ±0.5mm are permissible in all case)	±1%(Values up to ±0.5mml. are permissible in A case)
200≤ D<500 td>	±1%	±0.7%
500≤D	±1%	1.6mm

Table 8: Permissible Deviation in Outside Diameter in DIN 17176

Manufacturing Process	Limit Deviation of Outside Diameter
Cold Forming	±0.75%
Hot Forming	≤100mm	±0.75%
	<100-320mm	±0.9%
	<320mm	±1.0%

Table 9: Permissible Deviation in Wall Thickness in DIN 28180

Tube Outside Diameter	Permisible Deviations In Wall Thickness for Thicknesses
Tube Outside Diameter	Up to 2	Exceeding 2
Tolerance of Classes I and 2	±0.20	±10% of Wall Thickness
Tolerance Class 3	±0.20	-10%, +15% of Wall Thickness

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Price (FOB)	Negotiable	transportation	-
MOQ	Negotiable	Leadtime	Negotiable
Payment Options	D/P,L/C,T/T	Shipping time	Negotiable

China Alloy pipe Manufactory Ltd.

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Country / Year Established: China / 2000

Membership: BIZ

Business type: Manufacturer

President: Sum Xu

Address: No. 273, Siping Road, Shanghai, 200081, China

Product Category: Pipe Fittings,Steel Pipes

Year Established: 2000

No. of Total Employees: 501-1000

Company introduction: Sunny Steel Enterprise Ltd., with strong support of our customers from around the world, we are a professional supplier in steel pipe and pipe fitting.

We provide our customer with mainly steel pipe include Welded pipe, Seamless tubes, Alloy tube, Stainless pipes, and Abrasion resistant pipe.

The fittings include Weldable Components, Forged Fittings, Valves, Flange and Accessories etc.